Summary : SharePoint 2013 – Related Items Site Column, how to add Related Items Site Column in SharePoint, Missing Related Items Site Column
A new Column type “Related Items” has been Introduced in SharePoint 2013. This is a very useful column from Business prospective. After you Create an Item you can simply add a reference to another Item or a document in any List\Library as a related entity to this Item using Related Items column.
Although this Site Column is in Hidden (in _Hidden group) in Site Columns by default, you can Change the group from Hidden to any Custom group by following few Steps detailed in my post SharePoint 2013 – Display “Related Items”Column in Site Columns. After Changing the group of the “Related Items” site Column it will be visible in “Add from Site Columns” in your lists.
How do you add “Related Items” Column in a list?
You can add this column in any list or library from the Site Columns using “Add from Existing Site columns” in a list. Again you need to first have this column display in “Site Columns” under one of the existing groups. “Related Items” is in _Hidden group in Site Columns by default. Follow the steps SharePoint 2013 – Display “Related Items”Column in Site Columns before you begin.
So once you see the Column in Site columns lets Navigate to the List where you need add the “Related Items” column.
5. Next navigate to the list and click Create a new Item. You wont see this column in NewForm.aspx page.
Once you create a new Item click the call-up menu (…) and the View Item.